Not counting her wingspan Mavis in her bat form was rather small, perhaps the size of Derek's hand including his fingers. Holding on to the lining of his jacket when he scoops her up she shifts until she's sure she isn't touching any of his weapons before she relaxes, listening to his voice with a frown.

"So it's like I- uh...'we' were all kidnapped then? Man, dad's gonna freak out."

She can just imagine it now, a search party of zombies through the haunted forest with her dad leading the way.

"I'm Mavis. ...Thank you for lending me your jacket."